DNS Gurus
Cached · just now
22 Headers

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=631138519; includeSubdomains
Content-Security-Policy
Missing
Not configured
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

Performance Headers

3 headers
Connection
Performance
close
Transfer-Encoding
Performance
chunked
Vary
Performance
accept-encoding

Caching Headers

1 headers
Cache-Control
Caching
no-cache, no-store, max-age=0

Content Headers

2 headers
Content-Disposition
Content
attachment; filename=json.json
Content-Type
Content
application/json;charset=utf-8

Server Headers

1 headers
Server
Server
cloudflare envoy

CORS Headers

0 headers
No CORS headers found

Cookies Headers

1 headers
Set-Cookie
Cookies
__cf_bm=n7RT.qLiJ7Uk31bTGXOm11RDLVv3artc86bxrr3..zk-1768485030.4963555-1.0.1.1-LY0EzeIFj1CT9MCXD7c_lAbIjYS5YY4QH65uXSbttpjMvhXwe5WcVwccVKqmnZqlVITty2DTawGwcgz98I_GfQvc3R85g0RO32V6s4_NQKbEQ4zAA8PKCUKk.Q7PM2sj; HttpOnly; Secure; Path=/; Domain=twitter.com; Expires=Thu, 15 Jan 2026 14:20:30 GMT

Other Headers

10 headers
Cf-Cache-Status
Other
DYNAMIC
Cf-Ray
Other
9be5d7b09b48e6ec-IAD
Date
Other
Thu, 15 Jan 2026 13:50:30 GMT
Origin-Cf-Ray
Other
9be5d7b09b48e6ec-IAD
Perf
Other
7402827104
Timing-Allow-Origin
Other
https://twitter.com, https://mobile.twitter.com
X-Response-Time
Other
75
X-Served-By
Other
t4_a
X-Transaction
Other
70de235a9bab03be
X-Transaction-Id
Other
70de235a9bab03be

Recommendations

Enable compression (gzip/brotli) to improve performance